a_cmsbackoffice.java

java 编写的程序

/*
* File   : $Source: /usr/local/cvs/opencms/src/com/opencms/defaults/A_CmsBackoffice.java,v $
* Date   : $Date: 2002/04/09 12:35:30 $
* Version: $Revision: 1.43 $
*
* This library is part of OpenCms -
* the Open Source Content Mananagement System
*
* Copyright (C) 2001  The OpenCms Group
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* For further information about OpenCms, please see the
* OpenCms Website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

package com.opencms.defaults;

import com.opencms.template.*;
import com.opencms.workplace.*;
import com.opencms.defaults.*;
import com.opencms.file.*;
import com.opencms.core.*;
import com.opencms.core.exceptions.*;
import com.opencms.util.*;
import java.util.*;
import java.lang.reflect.*;


/**
 * Abstract class for generic backoffice display. It automatically
 * generates the <ul><li>head section with filters and buttons,</li>
 *                  <li>body section with the table data,</li>
 *                  <li>lock states of the entries. if there are any,</li>
 *                  <li>delete dialog,</li>
 *                  <li>lock dialog.</li></ul>
 * calls the <ul><li>edit dialog of the calling backoffice class</li>
 *              <li>new dialog of the calling backoffice class</li></ul>
 * using the content definition class defined by the getContentDefinition method.
 * The methods and data provided by the content definition class
 * is accessed by reflection. This way it is possible to re-use
 * this class for any content definition class, that just has
 * to extend the A_CmsContentDefinition class!
 * Creation date: (27.10.00 10:04:42)
 * author: Michael Knoll
 * author: Michael Emmerich
 * version 2.0
 */
public abstract class A_CmsBackoffice extends CmsWorkplaceDefault implements I_CmsConstants{

  private static int C_NOT_LOCKED = -1;
  private static int C_NO_ACCESS = -2;

  private static String C_DEFAULT_SELECTOR="(default)";
  private static String C_DONE_SELECTOR="done";

    private static String C_CHECKBOX_PREV="checkbox_";

    /** The style for unchanged files or folders */
    private final static String C_STYLE_UNCHANGED = "dateingeandert";


    /** The style for files or folders not in project*/
    private final static String C_STYLE_NOTINPROJECT = "dateintprojekt";


    /** The style for new files or folders */
    private final static String C_STYLE_NEW = "dateineu";


    /** The style for deleted files or folders */
    private final static String C_STYLE_DELETED = "dateigeloescht";


    /** The style for changed files or folders */
    private final static String C_STYLE_CHANGED = "dateigeaendert";

    /** Default value of permission*/
    protected final static int C_DEFAULT_PERMISSIONS=383;
    // possible accessflags
    protected final static String[] C_ACCESS_FLAGS = {"1","2","4","8","16","32","64","128","256"};

  /**
  * Gets the backoffice url of the module.
  * @returns A string with the backoffice url
  */
  abstract public String getBackofficeUrl(CmsObject cms, String tagcontent, A_CmsXmlContent doc,
                                 Object userObject) throws Exception ;
  /**
  * Gets the create url of the module.
  * @returns a string with the create url
  */
  abstract public String getCreateUrl(CmsObject cms, String tagcontent, A_CmsXmlContent doc,
                             Object userObject) throws Exception ;

  /**
  * Gets the edit url of the module.
  * @returns A string with the edit url
  */
  abstract public String getEditUrl(CmsObject cms, String tagcontent, A_CmsXmlContent doc,
                           Object userObject) throws Exception ;

  /**
  * Gets the edit url of the module.
  * @returns A string with the edit url
  */
  public String getDeleteUrl(CmsObject cms, String tagcontent, A_CmsXmlContent doc,
                             Object userObject) throws Exception {

    return getBackofficeUrl(cms, tagcontent,doc,userObject);
  }

  /**
  * Gets the undelete url of the module.
  * @returns A string with the undelete url
  */
  public String getUndeleteUrl(CmsObject cms, String tagcontent, A_CmsXmlContent doc,
                             Object userObject) throws Exception {

    return getBackofficeUrl(cms, tagcontent,doc,userObject);
  }

  /**
  * Gets the publish url of the module.
  * @returns A string with the publish url
  */
  public String getPublishUrl(CmsObject cms, String tagcontent, A_CmsXmlContent doc,
                             Object userObject) throws Exception {

    return getBackofficeUrl(cms, tagcontent,doc,userObject);
  }

  /**
  * Gets the history url of the module.
  * @returns A string with the history url
  */
  public String getHistoryUrl(CmsObject cms, String tagcontent, A_CmsXmlContent doc,
                             Object userObject) throws Exception {

    return getBackofficeUrl(cms, tagcontent,doc,userObject);
  }

  /**
  * Gets the redirect url of the module. This URL is called, when an entry of the file list is selected
  * @returns A string with the  url.
  */
  public String getUrl(CmsObject cms, String tagcontent, A_CmsXmlContent doc, Object userObject) throws Exception {
    return "";
  }

  /**
  * Gets the setup url of the module. This is the url of the setup page for this module.
  * @returns A string with the  setup url.
  */
  public String getSetupUrl(CmsObject cms, String tagcontent, A_CmsXmlContent doc, Object userObject) throws Exception {
    return "";
  }

  /**
  * Gets the preview url of the module. This is the url of the preview page for this module.
  * @returns A string with the  setup url.
  */
  public String getPreviewUrl(CmsObject cms, String tagcontent, A_CmsXmlContent doc, Object userObject) throws Exception {
    return "";
  }

/**
 * Gets the content of a given template file.
 * This method displays any content provided by a content definition
 * class on the template. The used backoffice class does not need to use a
 * special getContent method. It just has to extend the methods of this class!
 * Using reflection, this method creates the table headline and table content
 * with the layout provided by the template automatically!
 * @param cms A_CmsObject Object for accessing system resources
 * @param templateFile Filename of the template file
 * @param elementName <em>not used here</em>.
 * @param parameters <em>not used here</em>.
 * @param templateSelector template section that should be processed.
 * @return Processed content of the given template file.
 * @exception CmsException
 */

public byte[] getContent(CmsObject cms, String templateFile, String elementName, Hashtable parameters, String templateSelector) throws CmsException {




    //return var
    byte[] returnProcess = null;

        String error="";

        // the CD to be used
         A_CmsContentDefinition cd=null;

    // session will be created or fetched
    I_CmsSession session = (CmsSession) cms.getRequestContext().getSession(true);
    //create new workplace templatefile object
    CmsXmlWpTemplateFile template = new CmsXmlWpTemplateFile(cms, templateFile);
    //get parameters
    String selectBox = (String) parameters.get("selectbox");
    String filterParam = (String) parameters.get("filterparameter");
    String id = (String) parameters.get("id");
    String idlock = (String) parameters.get("idlock");
    String iddelete = (String) parameters.get("iddelete");
    String idedit = (String) parameters.get("idedit");
    String idview = (String) parameters.get("idview");
    String action = (String) parameters.get("action");
    String parentId = (String) parameters.get("parentId");
    String ok = (String) parameters.get("ok");
    String setaction = (String) parameters.get("setaction");
    String idundelete = (String)parameters.get("idundelete");
    String idpublish = (String)parameters.get("idpublish");
    String idhistory = (String)parameters.get("idhistory");
    String idpermissions = (String)parameters.get("idpermissions");
    String idcopy = (String)parameters.get("idcopy");
        // debug-code
/*
        System.err.println("### "+this.getContentDefinitionClass().getName());
        System.err.println("### PARAMETERS");
        Enumeration  enu=parameters.keys();
        while (enu.hasMoreElements()) {
          String a=(String)enu.nextElement();
          String b=parameters.get(a).toString();
          System.err.println("## "+a+" -> "+b);
        }

        System.err.println("");
        System.err.println("+++ SESSION");
        String[] ses=session.getValueNames();
        for (int i=0;i<ses.length;i++) {
          String a=ses[i];
          String b=session.getValue(a).toString();
          System.err.println("++ "+a+" -> "+b);
        }
        System.err.println("");
        System.err.println("-------------------------------------------------");
*/

    String hasFilterParam = (String) session.getValue("filterparameter");
    template.setData("filternumber","0");

    //change filter
    if ((hasFilterParam == null) && (filterParam == null) && (setaction == null)) {
      if (selectBox != null) {
        session.putValue("filter", selectBox);
        template.setData("filternumber",selectBox);
      }
    } else {
      template.setData("filternumber", (String)session.getValue("filter"));
    }

    //move id values to id, remove old markers
    if (idlock != null) {
      id = idlock;
      session.putValue("idlock", idlock);
      session.removeValue("idedit");
      session.removeValue("idnew");
      session.removeValue("iddelete");
      session.removeValue("idundelete");
      session.removeValue("idpublish");
      session.removeValue("idhistory");
      session.removeValue("idpermissions");
      session.removeValue("idcopy");
    }
    if (idedit != null) {
      id = idedit;
      session.putValue("idedit", idedit);
      session.removeValue("idlock");
      session.removeValue("idnew");
      session.removeValue("iddelete");
      session.removeValue("idundelete");
      session.removeValue("idpublish");
      session.removeValue("idhistory");
      session.removeValue("idpermissions");
      session.removeValue("idcopy");
    }
    if (iddelete != null) {
      id = iddelete;
      session.putValue("iddelete", iddelete);